How to achieve translucent pomegranate material?
Let's think like a photographer.




Proper lighting is essential - white background, strong backlight, fitting HDRi
Shader - Principled BSDF will do (let's keep it simple)
Use post-processing - adjusting midtone contrast, color-corrections




Outer Seed shader:


Roughness - pretty low, it needs to reflect environment and not
obstruct transmission
Clearcoat - just an artistic choice, as the outer seed has a thin glossy skin
Transmission - full 1
IOR - 1.6
Trans. rougness - 0,1 to distort the light a bit more




Notes:
When going for proper realism you'd use Volumetrics, Subsurface scattering and some textures for a more organic look.

But all things considered, proper lighting is everything here :).